crc16.h

DVB数字机顶盒中CA的通用接口源代码和通信数据格式分析。采用C编写

#ifndef  __CRC16_H__
#define  __CRC16_H__

void crc16_init(unsigned short *uCrc16);
void crc16_update(unsigned short *uCrc16, unsigned char *pBuffer, unsigned long uBufSize);
void crc16_final(unsigned short *uCrc16);

void crc16ccitt_init(unsigned short *uCcitt16);
void crc16ccitt_update(unsigned short *uCcitt16, unsigned char *pBuffer, unsigned long uBufSize);
void crc16ccitt_final(unsigned short *uCcitt16);

//help function
unsigned short crc16(unsigned char *pBuffer, unsigned long uBufSize);
unsigned short crc16ccitt(unsigned char *pBuffer, unsigned long uBufSize);

#endif // __CRC16_H__